2503.00.00
Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
Column 1 (General / MFN)
Free
Column 2 (Non-NTR)
Free
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
No active Chapter 99 measures are linked to this code.
Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)
Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026
See the change → -
Base rate HTS 2025
Column 1 general rate set to Free.
Related CBP rulings
The tariff classification of a 100% nylon knit fabric of cut pile construction from China.
The submitted sample is a knit fabric of cut pile construction composed of 100% nylon. It is characterized by a lush fibrous pile surface and features plastic glitter that has been distributed in an apparently random fashion over the pile s
Temporary Importation under Bond for sulphur manufacturedinto phosphate products; subheading 9813.00.05, HTSUS; Wastes orBy-Products, Note 2(b) to Subchapter XIII; FIFO accounting forcommingled fungible merchandise
You state that OxyChem intends to import elemental sulphur, presently classifiable under subheading 2503.10.00, HTSUS, from one or more Canadian suppliers in order to manufacture phosphate products. OxyChem does not intend to sell these fin
Calcium Silicon cored wire; Sulphur cored wire
Cored wire is a hollow steel tube which functions as a container for powders of alloys. In the instant case, the cored wire contains calcium silicon and sulphur, respectively. The cored wire is used by steelmakers and foundries as a means o
Other codes in heading 2503
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2503.00.00 from each major US trading partner.
Follow 2503.00.00
Get an email when a new CBP ruling cites this code, a ruling on it is revoked, or its tariff measures change.
One email per day at most. Confirm your address once, unsubscribe anytime.
Need to defend this classification?
Get the full 10-digit classification with GRI reasoning for your product, backed by cited CBP rulings and an audit trail for reasonable care.